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Buttweld 45 gradi gomito ASTM A403 WP304L-S 1.4306 ANSI B16.92024-01-30 11:58:29 |
ASTM A182 F316L Weldolet MSS SP 97 Raccordo forgiato in acciaio inossidabile2022-12-12 14:20:29 |